Vulnerability-Lookup

CNVD-2020-49549

Vulnerability from cnvd - Published: 2020-08-27

Title

Elasticsearch Kibana资源管理错误漏洞

Description

Elasticsearch Kibana是荷兰Elasticsearch公司的一套开源的、基于浏览器的分析和搜索Elasticsearch仪表板工具。 Elasticsearch Kibana 6.8.11之前版本和7.8.1之前版本中存在安全漏洞。攻击者可借助特制URL利用该漏洞导致Kibana进程消耗大量CPU（拒绝服务）。

Severity

低

Patch Name

Elasticsearch Kibana资源管理错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-7016

Impacted products

Name
['ElasticSearch Kibana <6.8.11', 'ElasticSearch Kibana <7.8.1']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-7016",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-7016"
    }
  },
  "description": "Elasticsearch Kibana\u662f\u8377\u5170Elasticsearch\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u3001\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u5206\u6790\u548c\u641c\u7d22Elasticsearch\u4eea\u8868\u677f\u5de5\u5177\u3002\n\nElasticsearch Kibana 6.8.11\u4e4b\u524d\u7248\u672c\u548c7.8.1\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236URL\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4Kibana\u8fdb\u7a0b\u6d88\u8017\u5927\u91cfCPU\uff08\u62d2\u7edd\u670d\u52a1\uff09\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-49549",
  "openTime": "2020-08-27",
  "patchDescription": "Elasticsearch Kibana\u662f\u8377\u5170Elasticsearch\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u3001\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u5206\u6790\u548c\u641c\u7d22Elasticsearch\u4eea\u8868\u677f\u5de5\u5177\u3002\r\n\r\nElasticsearch Kibana 6.8.11\u4e4b\u524d\u7248\u672c\u548c7.8.1\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236URL\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4Kibana\u8fdb\u7a0b\u6d88\u8017\u5927\u91cfCPU\uff08\u62d2\u7edd\u670d\u52a1\uff09\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Elasticsearch Kibana\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "ElasticSearch Kibana \u003c6.8.11",
      "ElasticSearch Kibana \u003c7.8.1"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-7016",
  "serverity": "\u4f4e",
  "submitTime": "2020-07-28",
  "title": "Elasticsearch Kibana\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-7016 (GCVE-0-2020-7016)

Vulnerability from cvelistv5 – Published: 2020-07-27 18:00 – Updated: 2024-08-04 09:18

Summary

Kibana versions before 6.8.11 and 7.8.1 contain a denial of service (DoS) flaw in Timelion. An attacker can construct a URL that when viewed by a Kibana user can lead to the Kibana process consuming large amounts of CPU and becoming unresponsive.

Severity

No CVSS data available.

CWE

CWE-185 - Incorrect Regular Expression

Assigner

elastic mitre root

References

3 references

URL	Tags
https://www.elastic.co/community/security/	x_refsource_MISC
https://discuss.elastic.co/t/elastic-stack-6-8-11…	x_refsource_MISC
https://www.oracle.com//security-alerts/cpujul2021.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Elastic	Kibana	Affected: before 6.8.11 and 7.8.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:18:03.007Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.elastic.co/community/security/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kibana",
          "vendor": "Elastic",
          "versions": [
            {
              "status": "affected",
              "version": "before 6.8.11 and 7.8.1"
            }
          ]
        }
      ],
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        {
          "lang": "en",
          "value": "Kibana versions before 6.8.11 and 7.8.1 contain a denial of service (DoS) flaw in Timelion. An attacker can construct a URL that when viewed by a Kibana user can lead to the Kibana process consuming large amounts of CPU and becoming unresponsive."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-185",
              "description": "CWE-185: Incorrect Regular Expression",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-20T22:55:24.000Z",
        "orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
        "shortName": "elastic"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.elastic.co/community/security/"
        },
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            "x_refsource_MISC"
          ],
          "url": "https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@elastic.co",
          "ID": "CVE-2020-7016",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Kibana",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before 6.8.11 and 7.8.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Elastic"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
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                  "lang": "eng",
                  "value": "CWE-185: Incorrect Regular Expression"
                }
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        },
        "references": {
          "reference_data": [
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              "name": "https://www.elastic.co/community/security/",
              "refsource": "MISC",
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            },
            {
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              "refsource": "MISC",
              "url": "https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786"
            },
            {
              "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
    "assignerShortName": "elastic",
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    "datePublished": "2020-07-27T18:00:15.000Z",
    "dateReserved": "2020-01-14T00:00:00.000Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.